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(11)

EP 4 307 941 A1

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(43) Date of publication: 24.01.2024 Bulletin 2024/04 (21) Application number: 22716389.6 (22) Date of filing: 18.03.2022

(51) International Patent Classification (IPC):  A24F 40/40(2020.01) A24F 40/485(2020.01) (52) Cooperative Patent Classification (CPC): A24F 40/485; A24F 40/20; A24F 40/40 (86) International application number: PCT/EP2022/057226 (87) International publication number: WO 2022/195101 (22.09.2022 Gazette 2022/38)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 19.03.2021 EP 21163745 (71) Applicant: Philip Morris Products S.A. 2000 Neuchâtel (CH)	(72) Inventors: MÄÄTTÄNEN, Teemu Henrik 2000 Neuchâtel (CH) AW, Sze Chiek Singapore 569873 (SG) CHONG, Khai Shin Singapore 569873 (SG) EOW, Yeong Taur Singapore 569873 (SG) (74) Representative: Grünecker Patent- und Rechtsanwälte PartG mbB  Leopoldstraße 4 80802 München 80802 München (DE)